249896421

素因数分解:

$3^4\times {\mathrm{1319}}^1\times {\mathrm{2339}}^1$

素因数の和:3670

約数の個数: 20

約数和(自身を含む): 373744800

約数和(自身を除く): 123848379

約数列:

[1, 3, 9, 27, 81, 1319, 2339, 3957, 7017, 11871, 21051, 35613, 63153, 106839, 189459, 3085141, 9255423, 27766269, 83298807, 249896421]

約数ペア:

[(1, 249896421), (3, 83298807), (9, 27766269), (27, 9255423), (81, 3085141), (1319, 189459), (2339, 106839), (3957, 63153), (7017, 35613), (11871, 21051)]